Taxonomy
Red List Status -
Near Threatened (NT) , assessed in 07/04/2017
Platyspermation crassifolium is an endemic shrub of New Caledonia, restricted to a few mountains of southern Grande Terre. It occurs in altitudinal forest and shrubland (700-1,500 m asl) on ultramafic substrates. This species does not seem directly threatened even though natural bushfires (caused by thunderstorm) may impact some subpopulations. Platyspermation crassifolium has a high phylogenetic importance as it is part of the family Alseuosmiaceae which gathers 6 species worldwide. Its area of occupation (AOO) and extent of occurrence (EOO) being respectively estimated to 48 and 348 km², Platyspermation crassifolium is considered Near Threatened (NT) close to VU D2.
Geographical area
Platyspermation crassifolium is an endemic shrub of New Caledonia, restricted to a few mountains of southern Grande Terre (Humboldt, Kouakoué, Haute-Pourina, Montagne des Sources).
Population
It occurs as scatterred individuals.
Habitat
It occurs in altitudinal forest and shrubland (700-1,500 m asl) on ultramafic substrates.
Threats
This species does not seem directly threatened even though natural bushfires (caused by thunderstorm) may impact some subpopulations.
Conservation
Unprotected by legislation, this species occurs in several protected areas : Rivière bleue, Mont Humboldt, Haute Yaté, Massif du Kouakoué, Montagne des sources Platyspermation crassifolium has a high phylogenetic importance as it is part of the family Alseuosmiaceae which gathers 6 species worldwide.
Bibliography
Morat, P.; Jaffré, T.; Tronchet, F.; Munzinger, J.; Pillon, Y.; Veillon, J.-M. and Chalopin, M. 2012. Le référentiel taxonomique Florical et les caractéristiques de la flore vasculaire indigène de la Nouvelle-Calédonie [The taxonomic database « FLORICAL » and characteristics of the indigenous flora of New Caledonia]. Adansonia sér 3(34) , p.177-219.
Munzinger J., Morat Ph., Jaffré T., Gâteblé G., Pillon Y., Tronchet F., Veillon J.-M. and M. Chalopin 2016. FLORICAL: Checklist of the vascular indigenous flora of New Caledonia. vers. 22.IV.2016.
Endemia.nc 2016. Faune et Flore de Nouvelle-Calédonie.
Morat, P. 1996. Flore de la Nouvelle-Calédonie et dépendances. Volume 20 : Celastraceae, Loranthaceae, Alseuocmiaceae, Paracryphiaceae, Tiliaceae.
Experts
Assessor(s): Veillon, J., Amice, R., Bruy, D., Butin, J., Fleurot, D., Garnier, D., Gâteblé, G., Goxe, J., Suprin, B.
Reviewer(s): Pillon, Y.
Facilitator(s): Warimavute, G., Maura, J., Tanguy, V.